Send and Receive SMS from my Website [closed]

Question

The way I plan to use it is:

1. Have people send SMS to a number to vote.
2. On the backend (assuming that the data comes back to my Web server), I will display the voting results on my Web site.
3. After say 10 minutes, I would like to press a button on my Web site so ONE of the people who sent an SMS earlier receive an SMS saying that person is a winner.

I'm an ASP .Net developer, so I just need an API to code against. One such company I saw that does this (but is limited to US) is:

• http://www.twilio.com/sms/

Do you know any international providers that are similar to Twilio SMS? I'm based in Sydney, Australia.

I've looked through the discussion here but could not find any International provider that does what Twilio SMS does:

• How to add SMS text messaging functionality to my website?

Thank you.

Answer 1

Try a google search, the exact phrase you will be looking for is "International SMS Gateway".

We also use twilio for a couple apps and have to say nothing beats their level of support and developer friendliness. Also contact twilio for a reference. I spoke with them once about SIP programming and they referred me to some great companies.

You can also try cdyne's SMS service.

Answer 2

A provider supporting both MO & MT messaging (Mobile Originating and Terminating, respectively) is Clickatell. Based on your intentions, I believe you're looking for long code support, which Clickatell definitely does.

Related reading that will assist:

• Clickatell's API documentation, including HTTP/S, FTP, SMTP, etc.
• Clickatell's "callback" functionality, to speak back to your application/server
• Wikipedia Long vs Short code comparison, for those curious of the difference

And, of course, my inevitable disclaimer: I am currently employed by Clickatell. Nevertheless (and perhaps directly because of my insight into the messaging engine), I wholeheartedly stand by my recommendation.